Details emerge on incident between Britney’s young son and her dad

Staying strong. Britney Spears has had a tough few weeks after ex-husband Kevin Federlinefiled a restraining order against Spears’ dad, Jamie Spears, after a fight involving their 13-year-old son, Sean Preston.Fortunately, the singer, 37, has a great support system in boyfriend Sam Asghari.

The personal trainer, 25, “only wants the best for Britney, her boys and her happiness,” an insider exclusively reveals in the new issue of Us Weekly. “He tries to keep her levelheaded and calm whenever there’s drama within her family. They really do love each other.”

Federline, 41, filed a police report following a heated argument between Sean Preston and his grandfather, 67, at Jamie’s condo on August 24, a law enforcement source told Us. “Sean Preston felt unsafe and locked himself into a room. Jamie broke into the room and shook Sean Preston,” the insider said. “Fortunately, Britney did the right thing and took her boys to safety and away from her father. The whole incident was very upsetting to her and her boys. Kevin was and still is furious.”